He's spent his entire career in an offense where he isn't the only player on the field who has to read the defense and make a decision based on the look given.
The only reason that Beason didn't start for them, is because Kuechly forced him out of position. This is a good move, and at least the FO still cares about this season.
The Eagles would be 1-4 with losses to Denver this week and the Giants next week.
The Redskins would be 0-4 with a loss to the Raiders today, with a chance at either 1-4 or 0-5 next week, so it is possible.
I think the game went pretty well. They'll definitely break the curse of teams who play their home games in stadiums that will host the Superbowl in a particular year.